Sterling, Alaska Weather
Mosquitoes rise from snowmelt. Day 77 of spring. Read this microseason across nine climate regions →
Sterling weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——75°49°—
- ThursdayJun 4Clear——72°48°-3°
- FridayJun 5Overcast——70°50°-2°
- SaturdayJun 6Rain86%0.04″62°47°-8°
- SundayJun 7Light Drizzle67%0.02″57°46°-5°
- MondayJun 8Light Drizzle55%0.04″57°46°0°
- TuesdayJun 9Overcast33%—61°46°+4°
Ozone at AQI 42 now. AQI up 9 over the last 6 hours (gradual rise). With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
- Present
- AQI 42
- UV peak
- 0.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.62 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.62
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 10:30 AM
- Moonset
- 4:29 PM
- In sign
- ♑︎ Capricorn
Mosquitoes rise from snowmelt
Sterling at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: August 17 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.